return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
}
-static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
+static void ucc_geth_free_rx(struct ucc_geth_private *ugeth)
+{
+ struct ucc_geth_info *ug_info;
+ struct ucc_fast_info *uf_info;
+ u16 i, j;
+ u8 __iomem *bd;
+
+
+ ug_info = ugeth->ug_info;
+ uf_info = &ug_info->uf_info;
+
+ for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
+ if (ugeth->p_rx_bd_ring[i]) {
+ /* Return existing data buffers in ring */
+ bd = ugeth->p_rx_bd_ring[i];
+ for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
+ if (ugeth->rx_skbuff[i][j]) {
+ dma_unmap_single(ugeth->dev,
+ in_be32(&((struct qe_bd __iomem *)bd)->buf),
+ ugeth->ug_info->
+ uf_info.max_rx_buf_length +
+ UCC_GETH_RX_DATA_BUF_ALIGNMENT,
+ DMA_FROM_DEVICE);
+ dev_kfree_skb_any(
+ ugeth->rx_skbuff[i][j]);
+ ugeth->rx_skbuff[i][j] = NULL;
+ }
+ bd += sizeof(struct qe_bd);
+ }
+
+ kfree(ugeth->rx_skbuff[i]);
+
+ if (ugeth->ug_info->uf_info.bd_mem_part ==
+ MEM_PART_SYSTEM)
+ kfree((void *)ugeth->rx_bd_ring_offset[i]);
+ else if (ugeth->ug_info->uf_info.bd_mem_part ==
+ MEM_PART_MURAM)
+ qe_muram_free(ugeth->rx_bd_ring_offset[i]);
+ ugeth->p_rx_bd_ring[i] = NULL;
+ }
+ }
+
+}
+
+static void ucc_geth_free_tx(struct ucc_geth_private *ugeth)
{
+ struct ucc_geth_info *ug_info;
+ struct ucc_fast_info *uf_info;
u16 i, j;
u8 __iomem *bd;
+ ug_info = ugeth->ug_info;
+ uf_info = &ug_info->uf_info;
+
+ for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
+ bd = ugeth->p_tx_bd_ring[i];
+ if (!bd)
+ continue;
+ for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
+ if (ugeth->tx_skbuff[i][j]) {
+ dma_unmap_single(ugeth->dev,
+ in_be32(&((struct qe_bd __iomem *)bd)->buf),
+ (in_be32((u32 __iomem *)bd) &
+ BD_LENGTH_MASK),
+ DMA_TO_DEVICE);
+ dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
+ ugeth->tx_skbuff[i][j] = NULL;
+ }
+ }
+
+ kfree(ugeth->tx_skbuff[i]);
+
+ if (ugeth->p_tx_bd_ring[i]) {
+ if (ugeth->ug_info->uf_info.bd_mem_part ==
+ MEM_PART_SYSTEM)
+ kfree((void *)ugeth->tx_bd_ring_offset[i]);
+ else if (ugeth->ug_info->uf_info.bd_mem_part ==
+ MEM_PART_MURAM)
+ qe_muram_free(ugeth->tx_bd_ring_offset[i]);
+ ugeth->p_tx_bd_ring[i] = NULL;
+ }
+ }
+
+}
+
+static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
+{
if (!ugeth)
return;
kfree(ugeth->p_init_enet_param_shadow);
ugeth->p_init_enet_param_shadow = NULL;
}
- for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
- bd = ugeth->p_tx_bd_ring[i];
- if (!bd)
- continue;
- for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
- if (ugeth->tx_skbuff[i][j]) {
- dma_unmap_single(ugeth->dev,
- in_be32(&((struct qe_bd __iomem *)bd)->buf),
- (in_be32((u32 __iomem *)bd) &
- BD_LENGTH_MASK),
- DMA_TO_DEVICE);
- dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
- ugeth->tx_skbuff[i][j] = NULL;
- }
- }
-
- kfree(ugeth->tx_skbuff[i]);
-
- if (ugeth->p_tx_bd_ring[i]) {
- if (ugeth->ug_info->uf_info.bd_mem_part ==
- MEM_PART_SYSTEM)
- kfree((void *)ugeth->tx_bd_ring_offset[i]);
- else if (ugeth->ug_info->uf_info.bd_mem_part ==
- MEM_PART_MURAM)
- qe_muram_free(ugeth->tx_bd_ring_offset[i]);
- ugeth->p_tx_bd_ring[i] = NULL;
- }
- }
- for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
- if (ugeth->p_rx_bd_ring[i]) {
- /* Return existing data buffers in ring */
- bd = ugeth->p_rx_bd_ring[i];
- for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
- if (ugeth->rx_skbuff[i][j]) {
- dma_unmap_single(ugeth->dev,
- in_be32(&((struct qe_bd __iomem *)bd)->buf),
- ugeth->ug_info->
- uf_info.max_rx_buf_length +
- UCC_GETH_RX_DATA_BUF_ALIGNMENT,
- DMA_FROM_DEVICE);
- dev_kfree_skb_any(
- ugeth->rx_skbuff[i][j]);
- ugeth->rx_skbuff[i][j] = NULL;
- }
- bd += sizeof(struct qe_bd);
- }
-
- kfree(ugeth->rx_skbuff[i]);
-
- if (ugeth->ug_info->uf_info.bd_mem_part ==
- MEM_PART_SYSTEM)
- kfree((void *)ugeth->rx_bd_ring_offset[i]);
- else if (ugeth->ug_info->uf_info.bd_mem_part ==
- MEM_PART_MURAM)
- qe_muram_free(ugeth->rx_bd_ring_offset[i]);
- ugeth->p_rx_bd_ring[i] = NULL;
- }
- }
+ ucc_geth_free_tx(ugeth);
+ ucc_geth_free_rx(ugeth);
while (!list_empty(&ugeth->group_hash_q))
put_enet_addr_container(ENET_ADDR_CONT_ENTRY
(dequeue(&ugeth->group_hash_q)));
return 0;
}
+static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth)
+{
+ struct ucc_geth_info *ug_info;
+ struct ucc_fast_info *uf_info;
+ int length;
+ u16 i, j;
+ u8 __iomem *bd;
+
+ ug_info = ugeth->ug_info;
+ uf_info = &ug_info->uf_info;
+
+ /* Allocate Tx bds */
+ for (j = 0; j < ug_info->numQueuesTx; j++) {
+ /* Allocate in multiple of
+ UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
+ according to spec */
+ length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
+ / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
+ * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
+ if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
+ UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
+ length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
+ if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
+ u32 align = 4;
+ if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
+ align = UCC_GETH_TX_BD_RING_ALIGNMENT;
+ ugeth->tx_bd_ring_offset[j] =
+ (u32) kmalloc((u32) (length + align), GFP_KERNEL);
+
+ if (ugeth->tx_bd_ring_offset[j] != 0)
+ ugeth->p_tx_bd_ring[j] =
+ (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
+ align) & ~(align - 1));
+ } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
+ ugeth->tx_bd_ring_offset[j] =
+ qe_muram_alloc(length,
+ UCC_GETH_TX_BD_RING_ALIGNMENT);
+ if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
+ ugeth->p_tx_bd_ring[j] =
+ (u8 __iomem *) qe_muram_addr(ugeth->
+ tx_bd_ring_offset[j]);
+ }
+ if (!ugeth->p_tx_bd_ring[j]) {
+ if (netif_msg_ifup(ugeth))
+ ugeth_err
+ ("%s: Can not allocate memory for Tx bd rings.",
+ __func__);
+ return -ENOMEM;
+ }
+ /* Zero unused end of bd ring, according to spec */
+ memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
+ ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
+ length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
+ }
+
+ /* Init Tx bds */
+ for (j = 0; j < ug_info->numQueuesTx; j++) {
+ /* Setup the skbuff rings */
+ ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
+ ugeth->ug_info->bdRingLenTx[j],
+ GFP_KERNEL);
+
+ if (ugeth->tx_skbuff[j] == NULL) {
+ if (netif_msg_ifup(ugeth))
+ ugeth_err("%s: Could not allocate tx_skbuff",
+ __func__);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
+ ugeth->tx_skbuff[j][i] = NULL;
+
+ ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
+ bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
+ for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
+ /* clear bd buffer */
+ out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
+ /* set bd status and length */
+ out_be32((u32 __iomem *)bd, 0);
+ bd += sizeof(struct qe_bd);
+ }
+ bd -= sizeof(struct qe_bd);
+ /* set bd status and length */
+ out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
+ }
+
+ return 0;
+}
+
+static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth)
+{
+ struct ucc_geth_info *ug_info;
+ struct ucc_fast_info *uf_info;
+ int length;
+ u16 i, j;
+ u8 __iomem *bd;
+
+ ug_info = ugeth->ug_info;
+ uf_info = &ug_info->uf_info;
+
+ /* Allocate Rx bds */
+ for (j = 0; j < ug_info->numQueuesRx; j++) {
+ length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
+ if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
+ u32 align = 4;
+ if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
+ align = UCC_GETH_RX_BD_RING_ALIGNMENT;
+ ugeth->rx_bd_ring_offset[j] =
+ (u32) kmalloc((u32) (length + align), GFP_KERNEL);
+ if (ugeth->rx_bd_ring_offset[j] != 0)
+ ugeth->p_rx_bd_ring[j] =
+ (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
+ align) & ~(align - 1));
+ } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
+ ugeth->rx_bd_ring_offset[j] =
+ qe_muram_alloc(length,
+ UCC_GETH_RX_BD_RING_ALIGNMENT);
+ if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
+ ugeth->p_rx_bd_ring[j] =
+ (u8 __iomem *) qe_muram_addr(ugeth->
+ rx_bd_ring_offset[j]);
+ }
+ if (!ugeth->p_rx_bd_ring[j]) {
+ if (netif_msg_ifup(ugeth))
+ ugeth_err
+ ("%s: Can not allocate memory for Rx bd rings.",
+ __func__);
+ return -ENOMEM;
+ }
+ }
+
+ /* Init Rx bds */
+ for (j = 0; j < ug_info->numQueuesRx; j++) {
+ /* Setup the skbuff rings */
+ ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
+ ugeth->ug_info->bdRingLenRx[j],
+ GFP_KERNEL);
+
+ if (ugeth->rx_skbuff[j] == NULL) {
+ if (netif_msg_ifup(ugeth))
+ ugeth_err("%s: Could not allocate rx_skbuff",
+ __func__);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
+ ugeth->rx_skbuff[j][i] = NULL;
+
+ ugeth->skb_currx[j] = 0;
+ bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
+ for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
+ /* set bd status and length */
+ out_be32((u32 __iomem *)bd, R_I);
+ /* clear bd buffer */
+ out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
+ bd += sizeof(struct qe_bd);
+ }
+ bd -= sizeof(struct qe_bd);
+ /* set bd status and length */
+ out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
+ }
+
+ return 0;
+}
+
static int ucc_geth_startup(struct ucc_geth_private *ugeth)
{
struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
int ret_val = -EINVAL;
u32 remoder = UCC_GETH_REMODER_INIT;
u32 init_enet_pram_offset, cecr_subblock, command;
- u32 ifstat, i, j, size, l2qt, l3qt, length;
+ u32 ifstat, i, j, size, l2qt, l3qt;
u16 temoder = UCC_GETH_TEMODER_INIT;
u16 test;
u8 function_code = 0;
- u8 __iomem *bd;
u8 __iomem *endOfRing;
u8 numThreadsRxNumerical, numThreadsTxNumerical;
UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
0, &uf_regs->upsmr, &ug_regs->uescr);
- /* Allocate Tx bds */
- for (j = 0; j < ug_info->numQueuesTx; j++) {
- /* Allocate in multiple of
- UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
- according to spec */
- length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
- / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
- * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
- if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
- UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
- length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
- if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
- u32 align = 4;
- if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
- align = UCC_GETH_TX_BD_RING_ALIGNMENT;
- ugeth->tx_bd_ring_offset[j] =
- (u32) kmalloc((u32) (length + align), GFP_KERNEL);
-
- if (ugeth->tx_bd_ring_offset[j] != 0)
- ugeth->p_tx_bd_ring[j] =
- (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
- align) & ~(align - 1));
- } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
- ugeth->tx_bd_ring_offset[j] =
- qe_muram_alloc(length,
- UCC_GETH_TX_BD_RING_ALIGNMENT);
- if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
- ugeth->p_tx_bd_ring[j] =
- (u8 __iomem *) qe_muram_addr(ugeth->
- tx_bd_ring_offset[j]);
- }
- if (!ugeth->p_tx_bd_ring[j]) {
- if (netif_msg_ifup(ugeth))
- ugeth_err
- ("%s: Can not allocate memory for Tx bd rings.",
- __func__);
- return -ENOMEM;
- }
- /* Zero unused end of bd ring, according to spec */
- memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
- ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
- length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
- }
-
- /* Allocate Rx bds */
- for (j = 0; j < ug_info->numQueuesRx; j++) {
- length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
- if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
- u32 align = 4;
- if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
- align = UCC_GETH_RX_BD_RING_ALIGNMENT;
- ugeth->rx_bd_ring_offset[j] =
- (u32) kmalloc((u32) (length + align), GFP_KERNEL);
- if (ugeth->rx_bd_ring_offset[j] != 0)
- ugeth->p_rx_bd_ring[j] =
- (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
- align) & ~(align - 1));
- } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
- ugeth->rx_bd_ring_offset[j] =
- qe_muram_alloc(length,
- UCC_GETH_RX_BD_RING_ALIGNMENT);
- if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
- ugeth->p_rx_bd_ring[j] =
- (u8 __iomem *) qe_muram_addr(ugeth->
- rx_bd_ring_offset[j]);
- }
- if (!ugeth->p_rx_bd_ring[j]) {
- if (netif_msg_ifup(ugeth))
- ugeth_err
- ("%s: Can not allocate memory for Rx bd rings.",
- __func__);
- return -ENOMEM;
- }
- }
-
- /* Init Tx bds */
- for (j = 0; j < ug_info->numQueuesTx; j++) {
- /* Setup the skbuff rings */
- ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
- ugeth->ug_info->bdRingLenTx[j],
- GFP_KERNEL);
-
- if (ugeth->tx_skbuff[j] == NULL) {
- if (netif_msg_ifup(ugeth))
- ugeth_err("%s: Could not allocate tx_skbuff",
- __func__);
- return -ENOMEM;
- }
-
- for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
- ugeth->tx_skbuff[j][i] = NULL;
-
- ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
- bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
- for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
- /* clear bd buffer */
- out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
- /* set bd status and length */
- out_be32((u32 __iomem *)bd, 0);
- bd += sizeof(struct qe_bd);
- }
- bd -= sizeof(struct qe_bd);
- /* set bd status and length */
- out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
- }
-
- /* Init Rx bds */
- for (j = 0; j < ug_info->numQueuesRx; j++) {
- /* Setup the skbuff rings */
- ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
- ugeth->ug_info->bdRingLenRx[j],
- GFP_KERNEL);
-
- if (ugeth->rx_skbuff[j] == NULL) {
- if (netif_msg_ifup(ugeth))
- ugeth_err("%s: Could not allocate rx_skbuff",
- __func__);
- return -ENOMEM;
- }
-
- for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
- ugeth->rx_skbuff[j][i] = NULL;
+ ret_val = ucc_geth_alloc_tx(ugeth);
+ if (ret_val != 0)
+ return ret_val;
- ugeth->skb_currx[j] = 0;
- bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
- for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
- /* set bd status and length */
- out_be32((u32 __iomem *)bd, R_I);
- /* clear bd buffer */
- out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
- bd += sizeof(struct qe_bd);
- }
- bd -= sizeof(struct qe_bd);
- /* set bd status and length */
- out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
- }
+ ret_val = ucc_geth_alloc_rx(ugeth);
+ if (ret_val != 0)
+ return ret_val;
/*
* Global PRAM
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff